The leaderette for two special columns

摘要

The special column of 'Invasive Species and Global Change' is the outcome of the International Symposium on Invasive Plants and Global Change in Urumqi,China in 2012.Invasive species,being responsible for half to two-thirds of global species extinctions,pose a significant threat to ecosystems.Furthermore,climate change is exacerbating this problem,and thus promotes the